#wrap_l,
#wrap_r {
    width: 200px;
    height: 220px;
    background-color: #6653;
    border: 1px solid #000;
    box-shadow: 0 0 3px 3px #ccdc;
}

#box div#wrap_l {
    left: 110px;
}

#box div#wrap_r {
    right: 110px;
}

ul {
    height: 200px;
    margin-top: 80px;
    margin-left: 20px;
}

li {
    float: left;
    width: 5px;
    height: 20px;
    border-radius: 20px;
    margin-right: 10px;
    border: 1px solid #000;
}

li:nth-child(1) {
    background-color: #f62e74;
    animation: love1 5s infinite;
}

li:nth-child(2) {
    background-color: #f45330;
    animation: love2 5s infinite;
    animation-delay: 0.15s;
}

li:nth-child(3) {
    background-color: #ffc883;
    animation: love3 5s infinite;
    animation-delay: 0.3s;
}

li:nth-child(4) {
    background-color: #30d268;
    animation: love4 5s infinite;
    animation-delay: 0.45s;
}

li:nth-child(5) {
    background-color: #006cb4;
    animation: love5 5s infinite;
    animation-delay: 0.6s;
}

li:nth-child(6) {
    background-color: #784697;
    animation: love4 5s infinite;
    animation-delay: 0.75s;
}

li:nth-child(7) {
    background-color: #ffc883;
    animation: love3 5s infinite;
    animation-delay: 0.9s;
}

li:nth-child(8) {
    background-color: #f45330;
    animation: love2 5s infinite;
    animation-delay: 1.05s;
}

li:nth-child(9) {
    background-color: mediumpurple;
    animation: love1 5s infinite;
    animation-delay: 1.2s;
}


@keyframes love1 {

    30%,
    50% {
        height: 60px;
        transform: translateY(-30px);
    }

    70%,
    100% {
        height: 20px;
        transform: translateY(0px);
    }
}

@keyframes love2 {

    30%,
    50% {
        height: 125px;
        transform: translateY(-60px);
    }

    70%,
    100% {
        height: 20px;
        transform: translateY(0px);
    }
}

@keyframes love3 {

    30%,
    50% {
        height: 160px;
        transform: translateY(-75px);
    }

    70%,
    100% {
        height: 20px;
        transform: translateY(0px);
    }
}

@keyframes love4 {

    30%,
    50% {
        height: 165px;
        transform: translateY(-60px);
    }

    70%,
    100% {
        height: 20px;
        transform: translateY(0px);
    }
}

@keyframes love5 {

    30%,
    50% {
        height: 170px;
        transform: translateY(-45px);
    }

    70%,
    100% {
        height: 20px;
        transform: translateY(0px);
    }
}